import { Injectable } from "@angular/core";
import { TranslateLoader } from "@ngx-translate/core";
import { Observable } from 'rxjs';
import { HttpClient } from "@angular/common/http";
import { environment } from "../../environments/environment";

@Injectable({
  providedIn: 'root'
})
export class HarborTranslateLoaderService extends TranslateLoader {
  constructor(private http: HttpClient) {
    super();
  }
  getTranslation(lang: string): Observable<any> {
    const prefix: string = "i18n/lang/";
    let suffix: string = "-lang.json";
    if (environment && environment.buildTimestamp) {
      suffix += `?buildTimeStamp=${environment.buildTimestamp}`;
    }
    return this.http.get(`${prefix}${lang}${suffix}`);
  }
}

